Plow



' s Sheets-Sheet 1 INVENTOR. Cameron/ff 6877258711? 4 BYgQ M Oct. 14,1947. c. H. GEMBERLING PLow ' Filed April 8, 1944v Oct. 14, 1947. c. H.GVEMBERLING PLOW Filed April 8, 1944 3 Sheets-Sheet 2 INVENTOR.Cbmeronflfiember Patented Oct. 14, 1947 PLOW Cameron H. Gemberling,South. Bend, Ind., as-

signor to The Oliver Corporation, a corporation of Delaware ApplicationApril 8, 1944, Serial No. 530,192

8 Claims. (01. 97+53).

The present invention relates generally to plows, but more particularlyto the one-waytype of disc plow whereby the angle of the disc gang maybe adjusted with respect to the line of travel of the plow soas toaccommodate the plow to various soil conditions.

A further object of the invention is to provide asimple and efficientconstruction of one-way plow and a power lift mechanism therefor whichwill more eifectively and efficiently meet the requirements of varyingsoil conditions.

A still further object of the invention is to provide a novel andimproved construction of plow of the one-way disc gang type whereby thedisc gang may be adjusted'with respect to the main frame and the line ordraft of the plow so that the discs ofthe plow will throw very littlesoil to cover the seed when the plow is used in connection with or has 1seed planting mechanism mounted thereon. l 7

These and other objects are accomplished by providing aconstruction andan arrangement of the variousparts in the manner hereinafter describedand particularly pointed out in the appended claim'sf V 7 Referring to;the drawings: Fig. 1 is atop plan view of construction;

Fig. 2 is "a side elevational view of the same showing thediscsloweredin ground engaging or operative position; a

Fig. 3 is a detailed view' taken on the line 3-3 in Fig.1; I

Fig. 4 is a detailed cross sectional view taken on the line 4-4 in Fig.1; and r Fig. 5 is a fragmentary side elevational view of the frontfurrow wheel construction.

In carrying out my invention, I have shown the same as comprising atransversely extending and substantially U'-shaped frame member H! whichhas one of' its endsrigidly secured to a substantially diagonallyextending frame member II. The rear endof this frame member llterminates in a transverse portion l2 which is arrangedat right anglesto the line of travel of the plow. Secured to the other side of theU-shaped frame member In is; a longitudinally extending main framemember 13 which has its rear end angularly; disposed and secured to thediagonal frame member H by rivets as shown at 14.

my improved plow Secured to the forwardend of the diagonal frame memberII is a longitudinally extending side frame member l5, which in turn,has its rear portion terminatingin a diagonally extending mainframemember. l6; The landward ends of the main frame members l2 and iiiare reinforced and braced by a substantially U-shaped frame member H,which has its forward end secured to the transverse frame-member i2 bymeans of bolts l8 and its rearward end securedto the member I 6 by boltsI8. A reinforcingangularly disposed brace member l9 has oneend thereofsecured by means of rivets 20 at one end of the diagonal frame member I6and an intermediate portion, as shown at 2|, secured to an intermediateportion of the frame member I=2. An outwardly extending and diagonalportion of the frame member H], as shown at 22, has its outer endriveted, asshown at 23, to the U-shaped frame member IT. Theconstruction thus fardescribed, constitutes in effect the main frame ofmy improved plow construction. One important feature in the presentinvention involves the manner in which the-disc gang of the. one-wayplow of the power lift type may be pivotally and adjustably attached tothe main frame of the plow and in which the rear furrowwheel is adjustedwith the gang with respect to the plowframe. The disc gang in thisinstance comprises the usual series of concavoconvex discs. which arelaterally spaced apart with the usual spools or spacers 25 on a shaft orbolt 26. The disc shaft is supported adjacent its opposite ends by theusual bearing brackets 21 which, in turn,-are.connected by hangers 28 tothe gang frame member 29. The gang frame 29 is pivoted totherearfurrowside corner of the main. frame on a bolt 30 mounted in twoverticallyspaced plates 3|. The space plates 3| are.

held in spaced relation and secured to the gang frame member 29 by ablock 32 and bolts 33. The forward. end of the plates 3| are held inspaced relation by spacer tube 34 which surrounds the bolt 38.1 It willbe observed that the spacer tube pivotally contacts the inside corner ofthe frame member l5 l6. The downwardly projecting draftbrace 35 has itsupper and forward end connected by means'of a bolt 36 to the framemember I I. The lower and rear end of the brace member 35 is pivotallyconnected by a shoulder boltiii in'vertical alignment with the upperbolt 36; .The bolt. 31 pivotally connects the brace member 35 to abearing plate 38 which, in turn,

is secured tothe gang shaft bearing 2'! by means of a U-bolt 39. This .U-bolt also secures a hanger bracket! to the bearing 21. The bracket 40is provided with spaced. apart apertured ears between which the lowerend of the hanger 28 is attached byrmeans of a bolt 41. (See Fig. 3 ofthe drawings.) V ...The other end of the gang frame 29 is adjust- 3 ablyconnected to the land side of the main plow frame through the medium ofan upper flat bar 42 and the lower vertically spaced bar in the form ofan angle 43. The rear ends of the bars 42 and G3 are held in verticallyspaced relation with respect to each other by a spacer block 44 which issecured in place, together with the bar 62 and 43to the rear end of thegang frame 29 by a bolt 45. The bars 42 and 43 are provided with aplurality of uniformly spaced and aligned apertures 36 and M so that theposition of the bolts 48 and t9 respectively may be changed to theirproper position in adjusting the angle of the disc gang with respect tothe main frame of the plow. A downwardly and rearwardly extending draftbrace 50 has its forward end secured by means of a bolt I to the anglebar 43 and itslower end secured by means of a bolt 52' on the bearingplate 53. (See Fig, 4 of the drawings.) A bearing plate 53 is secured tothe rear bearing bracket 2! by a U-bolt 54, the latter of which alsosecures the hanger bracket 55 to the bearing bracket; The hanger'bracket55' is provided with spaced apart apertured ears to which is secured bymeans of a bolt 56, the lower end of the rear hanger 2'8. Secured to therear end of the gang frame 29 and a rearwardly extending portion 51 ofthe bar 33 isa rear axle supporting bracket 58 whichjis in the form oftwo rearwardly diverging and' spaced apart bearings 59. Pivotallymounted in the bearingsi59 by means of a bolt 60 is a; rear axlebracket, generally indicated by the reference character M, which inturn, pivotally supports'an angularly disposed furrow wheel axle 62;Journaled on" the rear end of the axle B2 is the usual furrow wheelfitFrom the above description it will be readily seen" that the disc gangframe ZS'together with th'e're'ar furrow'wheel may be'angularly adjustedwith respect to the main frame on the aligned pivotsfiean'd 31 by merelyremoving the bolts 48 and 49 from the bars 42 and 43 and then moving themain frame by a rearward or forward movement of the tractor; After theproper angle of the gang frame is secured, the bolts 8 and 49 maybeinserted in theproper'aligned apertures 46 and' il sothatthebo1t'48engages the forward side of the main frame member 22 and the bolt49 engages the rear side of the, main frame member I8. The series ofapertures of these bars permit the gangs to be angled at the desiredangle with respect to themain frame'fortilling the soil in accordancewith the conditions encountered;

My improved power. lift and its location with respect to the other partsof the plow will next be described. This power lift mechanism includes abearing bracket 64 which is secured to the main frame memberIZ by boltsI8 and 65. Journaled inthe bearing bracket is a land wheel axle 66.Secured to the outer end of the axle 6'6 by means of a bolt El" is aland wheel 68, Secured to the inner end of the axle 66 by means of a setscrew 69' is a continuously rotating clutch member ID. Journaled on theinner endof the axle 55 and cooperating with a continuously rotatingclutch member if] is an intermittently actuated clutch member ll. Formedintegrally with the intermittently actuated clutch member II is a pinionI2. Cooperating with and driven by the pinion T2 is a reciprocating rackbar I3 Which has a series of pins or lugs 74 on one side thereof forengagement with the teeth of the pinion. Positioned on the rear end ofthe rack bar 13 and on the side opposite the pins 14- is a rear pin orlug I5 which is adapted to cooperate with and engage a guide rack plate16 secured to the frame mem-- bers I2 and I3 of the main frame. A secondguide plate I? is secured to and spaced from the first guide plate I6and cooperates therewith for maintaining the pins or lugs of the rackbar in constant engagement with the pinion I2. The detailsand functions.of operation of this improved rack bar and pinion are fully disclosed inmy copending application, Serial No. 530,191, filed April 8, 1944, and.further information on this construction can be had by referencethereto. The forward end of the rack bar is pivotally connected, asshown at I8, between an offset bracket 19 and the lower end of a leverBI. The bracket 19 is secured by means of bolts to the lever BI, whichin turn is welded at B2 to a crank or rock shaft 83, The landward end ofthe crank shaft 83 is journaled in a bearing bracket 84, which in turnhas its rear end securedto an apertured ear on the bearing bracket 64 bya bolt 85. An intermediate portion of the crank shaft 83 is journaled inthe bearing bracket 81 secured to the main frame member I3 bya bolt 88;The furrow side of the crank shaft 83' is Journaled in a bearing bracket89 secured to the main frame member by a bolt 9! The clutch mechanism istripped to either raise or lower the plow by a complete revolution ofthe intermittently driven clutch member Why a trip lever 9| which mayhave a cord extending from theupper end thereof to within easy reach ofthe operator on the tractor, The lever SI is pivotally connected at 92to a bracket 93' connected to the main frame 22 of the plow. The lowerend of the lever is normally actuated into the path of the clutch pawl94 by a spring 95 which has one endthereof connected to the lever andthe other end thereof connected to the main frame I6of the plow, Thefurrow side end of theshaft 83 is provided with a crank arm 535, to thefree end of which is connected, as shown at 97, an adjustable link 98.The other end of the link 88 is pivotally connected as shown at 99 to alever I06. The lever I89 is pivotally connected as shown at ItII to abearing on a verti-- cally movable sleeve I02. The sleeve I02 isslidably mounted on a vertical shank of a front furrow wheelaxle IE3.The forward end of the lever I09 is rigidly secured or welded to a shaftI 04 which has a-crank or link I95 formed integrally therewith. Thecrank Ifl5-and a forward arm of the lever IIlfl are laterally spaced inposition on the opposite side of the sleeve I82 and engages a commonpivot pin IOI. The shaft Hi l is pivotally mounted in a bearing bracketI06, which in turn, is rigidly secured to a vertically extending anglemember I ill. The angle I9? is rigidly secured to the forward end of-themain frame member I5 by a bracing plate H38 and bolts I89. A second-linkin the form of a crank I IE! is pivotally connected as shown at H I to abearing portion I12 formed on the lower end of the sleeve I02.The-forward end of the link I I0 is pivotally connected as shown at I13to a bearing bracket H4 secured to the lower end of the verticallyextendingangle I517. The upper link I05, together with the forward endof the lever I00 and the lower link II it forms in effect a paral1e1link mechanism to insure the vertical movement of the frame with respectto the front furrow wheels when the plow frame is raised or. loweredwith respect to both furrow Wheels in the manner hereinafter described.The front furrow wheel isprovided With-the usual manually adjustedmechanism for regulatin the depth penetration of the discs atthe frontendof the plow frame. This mechanism includes the usual deter 1tmechanism and locking sector, generally'indicated by the refer enoecharacter H5; The rear'end of the lever;

below the pivot thereof, is pivotally connected, as shown at I I6, tolinks I H which have their lower ends, as shown at H8pivotallyconnectedto an apertured ear formed on the. upper end ofthesleeve I02. Part of the weight of this frame structure of the plow isbalanced by the extension spring H9 which has its lower end connected asshown at I2Ilto an aperturedear formed on the loWer end of the sleeveI02. I The upper end-of the spring is adjustably connected by a bolt I2Ito an apertured lug I22 formed on the sector. The

lower end of the axle N13- has an angularly disof the draft bar I29 is adraft member I30. -Con nected asshown-at I3I to the draft member I30 isa diagonal draft member or brace I32 which has its rear endas shown atI33 connected to the transverse draft bar 129. Pivotally connected atI3I to the forward ends of the draft members I30 and I32 is a seconddraft member I34 which is provided at its forward end with the usualdraft clevis I35'for connecting the plow to the tractor draw bar, Therear end of the draft member I34 hasan angularly disposed crankarm I36which has its freeend, as shown at I3 5, pivotallyconnected to theforwardend of a link I38. The rear end of the link I38 is pivotallyconnected to a bell crank I39. The bell crank I39 is pivotallyconnected, as shown at I40, to the draft member I38. Pivotally connectedto the other arm of the bellcrank I39 as shown at MI is one end of anadjustable connecting link I42 which hasits other end as shown at I43connected to the crank arm I25 on the front furrow wheel axle. Mountedto the crank shaft 83 adjacent the land wheelside thereof is an upwardlyextending crank arm 83' which has secured to its free end, bifurcated oroffset brackets 84' between which is swivelly mounted a hand crankbearing 85 in which is journaled conventional hand crank 83. The rearend of the hand crank has a threaded shaft which is mounted in threadedengagement with an internally threaded sleeve, generally indicated bythe reference character 81 The rear end of the sleeve-81' is flattenedand provided with a'series of apertures as shown at 88' for adjustablyand pivotally connecting the same as shown at 89' to the upward end ofthe lever 90', which in turn, has its lower end rigidly secured to therear axle bracket Ii I.

Summarizing the advantages and novel features of operation of myimproved disc plow, it will be obvious that should the operator desireto reduce or vary the angular displacement of the disc gang from theposition in which it is shown in Fig. l of the drawings, the bolts 48and 49 are first removed, and the pin 89' is also removed, and then bybacking up the main frame with the movement of the tractor rearwardly,the landward side of the gang together with the furrow wheel 63 will bemoved towards the main frame of the plow about its pivot 30 on thefurrow side verse draft bar I29. Secured adjacent one end of the mainframeand when the proper adjust-J ment of the gang frame is secured, thebolts 43' and149 maybe replaced in the proper apertures of.the'respectivemembers 42 and 43 so as to engage the forwardand rearwardsides of the main frame membersx22 and I5 after which the pin 89"isinserted in the proper aperture 88' for connectingit with the lever 90of the rear furrow wheel. During this operation, the bars 42 and 43engage the upper and lower edges of the frame member I6 and 22 -so.as toguide the main frame with respect to the gang frame This arrangementprovides. a simple adjustment for angling one-way disc gang plow to meetthe varying soil condi-. tions that are encountered in differentcommunities.- It will also be seen that my improved rack and pinionpower lift mechanism directly associated with the land wheel axle andclosely positioned to the crank shaft 83' which operates the:

parallel link mechanism for adjusting the front. furrow .wheels not onlyprovides a compact ar-- rangement, but also insures efficient operationand simplicity of control and adjustment of the: operating parts. 7

While in the, above specification I have de-' scribed one embodimentwhich my invention may assume in practice, it will of course beunderstood. that the same is capable of modification and: thatmodification may be made without depart-- ing from the spirit and scopeof the invention as: expressed in thefollowing claims,

WhatI claim as my invention and desire to secure by Letters Patent is:

1. A plow comprising a main frame, a front fur-- row wheel adjustablyconnected to said main frame, parallel links forming the connection be--tween said furrow wheel and said frame, a land wh'eel axle journaledonsaid frame, a land wheel secured to the outer end of said axle, a crankshaft journaled on said main frame, operative connections between saidcrank shaft and said;

V parallel links, a power lift mechanism operatively connected to saidland wheel axle and operatively connected to said crank shaft, a discsupporting gang frame pivoted at one side of and to the rear of saidmain frame, means for adjustably securing the other end of said gangframe to said main frame, a rear furrow wheel adjustably secured to saidgang frame, and operative connections between said rear furrow wheel andsaid crank shaft for raising and lowering said plow.

2. A plow comprising a main frame, a front furrow wheel adjustablyconnected to said main frame, parallel links forming the connectionbetween said furrow wheel and said frame, a land wheel axle journaled onsaid main frame, a land wheel secured to the outer end of said axle, acrank shaft journaled on said main frame, operative connections betweensaid crank shaft and said parallel links, a power lift mechanismoperatively connected to said land wheel axle and operatively connectedto said crank shaft, a disc supporting gang frame pivoted at one side ofand to the rear of said main frame, means for adjustably securing theother end of said gang frame to said main frame, a rear furrow wheeladjustably secured to said gang frame, and operative connections betweensaid rear furrow wheel and said crank shaft for raising and loweringsaid plow, said last mentioned operative connections including manuallyadjusting means for regulating the depth penetration of the rear end ofsaid plow.

3. A plow comprising a main frame, a front furrow wheel adjustablyconnected to said main frame, parallel links forming the connectionbetween: said furrow; wheel-1am;- Said; frame.-.. a land; wheelaxle.iournaledon; saidzmain frame, a land wheel; secured to; the outer: end;of. said. axle;v a crankrshaftjoumaied on, saidrmainrframe, 01281121452.tive: connections between. said. crank shaft, and; said parallel links,apower liftrmechanismpoperaa tively; connected to; said land wheel. axleand operatively. connected. to said crank shaft, ,aidisc; supportinggang. frame, pivoted atione: side of: and; to; the; rear; of: said main;framemeans. for; ad;-. justably securing" the other, end. 0t said; gang,frame. to; said main framaa: rear furrow wheelt adjustahly securedtosaidgangirame', andahand...

screw. adjustment; mounted; on said main frame. and: forming; the.connection between. said. rear-s furrmvwwheelzandsaid crank shaftzwhere.upon the;

actuationxof zsaidipowenlift;mechanism; said .furirow; wheels 1 are.actuated. to. raise or. lower said; plow.

4;, A plowcomprisingra main frame, afrontxfurlrow; wheeh adjustablyz.connected. to.- said main. frame, parallelz links :forming. theconnection beetweenwsaid, furrow wheels andsaid frame, aland wheel axlejournaled on said frame',.aland:wheel secured .to theouter end of said:axle, a crankshaft journaled. on. .saidmain frame; operative v connections: between; said. crank shaftsandx said; parallellinks, aspower.lift mechanism including a rack andpinion operativelylconnectedto:theinner end of. said:axleyandltosaid-crank. shaft, a. diagonallydisposed gang fram'elhaving .itsfur-row .side end pivotedto'lsaidmainframe and:. its--landside end adjustably secured to saidmairrframe;ap1uralityofspacedanartconcavosconvexedidiscscarried bysaid:gang.frame;. a rear furrow wheel adjustably securedto the rearlendof said gangaf-rame, and a manually adjustable connection: between saidcrank and said-:rear. furrow. wheel where: up on the actuation ofIsaid'power lift mechanism; said furrow; wheelslmayl be moved toraise'or lower said plow.

5. A-. plow-comprising a: main frame having a.

diagonally-extending rear frame member; afront' furrow wheel. adjustablyconnected. to. saidmain frame, a-landwheel j ournaled onsaid mainframe.agang frame pivoted to the forwardend 0f said frame member, aplurality-of discs carried by said-- gang frame, means foradjustablycor-meetingthe other endilof 'saidgang frame tosaid-frame mem her, a.rearfurrow..wheeliadjustably connected'ltoi the adjustable end of .saidgang.framerforraisingr and lowering themear. endiofsaid :gang f rame;and

a power-.iift: mechanism: carried by said main frame..and-operatively..drivenrby. said land wheel,

nected withsaidfront and-.re ar furrow. wheels for. raising;andalowering said -plow.

6; A. plow. comprising; a, main frame ..having;.a.- diagonally.extendingreanframe membena front,

furrow. wheel. adjustably. connectedto; said: main...

framer-alandw eeiiou naled na d ain frameonw dly; of sai memb ra. i a ydisp edana am v t dt on end o; d. me;

memhea ap ur lity of iscs. arri y d e;

frame; guide bars adjustably oonnectingthe other, end of;saidgang framewith said rear frame me m.

ber, x a; rear furrow wheel connected to and adjustable--with; respect;tozsa-id gang frame; and a power: lift mechanism operatiyelydriven bysaid Ian wheeLand QpenatiVely connected to said fur.-

row wheel s for;- raisingiand lowering; said gplow.

7. A -PIQW" c m n ama n frame ha a i nall ex en n a ra member, a r nfurrow, wheel adjustably connected to said main frame, a land;wheeljournaledpn said mainframe a; diagonally disposed ga lgjframe having oneend pivotedtogsaidrear framemembena plurality of discs-carried by-said'gang; frame, guide bars adjustably connecting the other end ofsaidggangi;

frame with; saidfra -me. member, a rear furrowwheel-adjustablyconnectedto said gangirame a;

crankshaft-mounted on-saidmain frame adjacent said front furrow wheeland operatively connected. tosaidfront; and1rear-furrow wheels, amanuallx adjustable. means mounted on said mainframe.v andzoperatively;connected to said rear furrow; wheel foriadjusting t he depthpenetration: of the,

rear end ofsaid plow, and a power lift mechanism operatively driven bysaidland-wheelandopera tively, connected to said crankshaft for raising.andJoweringsaid plow;

8a A plowcomprising -a main frame having a diagonallyextendinguear.frame member, afront. furrow wheel adjustably'connected to said main 1frame, .aland wheel journaled on said-Qmain frame,.

a; diagonally disposedgang framewpivoted at oneend. to.- said diagonalframe. member, a plurality of: discsmarried by said? gang frame, guidebars adjustably,connectingthe other end of said gang.

M frame witnsaiddiagonal frame member, a? rear furrow wheel adjustablyconnected to saidgangt frame; ai -crankshaft mounted on said main frameandioperatively connectedto said front and rear furrow, wheels, a.powerlift mechanism including. a rack and pinionamounted on. said'mainframe;

and driven by said landwheel, and. operative connectionsbetween saidrack and said crankshaft.

The followingr references; are of record in the filaofi-t'his patent!saidpowerhft mechanism being operatrvelyi con- 55;

UNITED STATES PATENTS r erv me D t i ovaezz Waite Sept. 23, 1913;1.411537 Dickinson Oct. 30, 1923. 1,439,213 Krotz, Jan. 8, 1924.

